Electronic lock housing base portion



FIG. 1 is a perspective view of an electronic lock housing base portion;

FIG. 2 is a front view of an electronic lock housing base portion;

FIG. 3 is a rear view of an electronic lock housing base portion;

FIG. 4 is a side view of an electronic lock housing base portion;

FIG. 5 is a side view of an electronic lock housing base portion;

FIG. 6 is a top view of an electronic lock housing base portion; and,

FIG. 7 is a bottom view of an electronic lock housing base portion.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for the electronic lock housing base portion, as shown and described. 